#include "sipbox.h"
#include "AccountManagerDialog.h"

#define THIS_FILE	"sipbox.cpp"

#define SIP_DOMAIN	"10.8.103.253:6069"
#define SIP_USER	"3007"
#define SIP_PASSWD	"3007"
/* Callback called by the library upon receiving incoming call */
static void on_incoming_call(pjsua_acc_id acc_id, pjsua_call_id call_id,
							 pjsip_rx_data *rdata)
{
	pjsua_call_info ci;

	PJ_UNUSED_ARG(acc_id);
	PJ_UNUSED_ARG(rdata);

	pjsua_call_get_info(call_id, &ci);

	PJ_LOG(3,(THIS_FILE, "Incoming call from %.*s!!",
		(int)ci.remote_info.slen,
		ci.remote_info.ptr));

	/* Automatically answer incoming calls with 200/OK */
	pjsua_call_answer(call_id, 200, NULL, NULL);
}

/* Callback called by the library when call's state has changed */
static void on_call_state(pjsua_call_id call_id, pjsip_event *e)
{
	pjsua_call_info ci;

	PJ_UNUSED_ARG(e);

	pjsua_call_get_info(call_id, &ci);
	PJ_LOG(3,(THIS_FILE, "Call %d state=%.*s", call_id,
		(int)ci.state_text.slen,
		ci.state_text.ptr));
}

/* Callback called by the library when call's media state has changed */
static void on_call_media_state(pjsua_call_id call_id)
{
	pjsua_call_info ci;

	pjsua_call_get_info(call_id, &ci);

	if (ci.media_status == PJSUA_CALL_MEDIA_ACTIVE) {
		// When media is active, connect call to sound device.
		pjsua_conf_connect(ci.conf_slot, 0);
		pjsua_conf_connect(0, ci.conf_slot);
	}
}

/* Display error and exit application */
static void error_exit(const char *title, pj_status_t status)
{
	pjsua_perror(THIS_FILE, title, status);
	pjsua_destroy();
	exit(1);
}
SIPBox::SIPBox(QWidget *parent, Qt::WFlags flags)
: QMainWindow(parent, flags)
{
	ui.setupUi(this);
	initail_SIP();

	m_pAMDialog = new AccountManagerDialog(this);
	connect(ui.btnCall,SIGNAL(clicked(bool)),this,SLOT(call()));
	connect(ui.btnHangup,SIGNAL(clicked(bool)),this,SLOT(hangup()));
	connect(ui.actionAccountSetting,SIGNAL(triggered()),this,SLOT(showAccountManager()));
}

SIPBox::~SIPBox()
{
	pjsua_acc_del(acc_id);
}

void SIPBox::call()
{
	pj_status_t status;
	QByteArray dnis = QString("sip:%1@%2").arg(ui.dnisEdit->text()).arg(SIP_DOMAIN).toLocal8Bit();

	/* If argument is specified, it's got to be a valid SIP URL */
	status = pjsua_verify_url(dnis);
	if (status != PJ_SUCCESS) error_exit("Invalid URL in argv", status);

	pj_str_t uri = pj_str(dnis.data());
	status = pjsua_call_make_call(acc_id, &uri, 0, NULL, NULL, NULL);
	if (status != PJ_SUCCESS) error_exit("Error making call", status);
}
void SIPBox::hangup()
{
	pjsua_call_hangup_all();
}

void SIPBox::showAccountManager()
{
	m_pAMDialog->show();
}

pj_status_t SIPBox::initail_SIP(void)
{   
	pj_status_t status;

	/* Create pjsua first! */
	status = pjsua_create();
	if (status != PJ_SUCCESS) error_exit("Error in pjsua_create()", status);

	/* Init pjsua */
	{
		pjsua_config cfg;
		pjsua_logging_config log_cfg;

		pjsua_config_default(&cfg);
		cfg.cb.on_incoming_call = &on_incoming_call;
		cfg.cb.on_call_media_state = &on_call_media_state;
		cfg.cb.on_call_state = &on_call_state;

		pjsua_logging_config_default(&log_cfg);
		log_cfg.console_level = 4;
		log_cfg.log_filename = pj_str("MyPhone.log");

		status = pjsua_init(&cfg, &log_cfg, NULL);
		if (status != PJ_SUCCESS) error_exit("Error in pjsua_init()", status);
	}

	/* Add UDP transport. */
	{
		pjsua_transport_config cfg;

		pjsua_transport_config_default(&cfg);
		cfg.port = 6069;
		status = pjsua_transport_create(PJSIP_TRANSPORT_UDP, &cfg, NULL);
		if (status != PJ_SUCCESS) error_exit("Error creating transport", status);
	}

	/* Initialization is done, now start pjsua */
	status = pjsua_start();
	if (status != PJ_SUCCESS) error_exit("Error starting pjsua", status);

	/* Register to SIP server by creating SIP account. */
	{
		pjsua_acc_config cfg;

		pjsua_acc_config_default(&cfg);
		cfg.id = pj_str("sip:" SIP_USER "@" SIP_DOMAIN);
		cfg.reg_uri = pj_str("sip:" SIP_DOMAIN);
		cfg.cred_count = 1;
		cfg.cred_info[0].realm = pj_str(SIP_DOMAIN);
		cfg.cred_info[0].scheme = pj_str("digest");
		cfg.cred_info[0].username = pj_str(SIP_USER);
		cfg.cred_info[0].data_type = PJSIP_CRED_DATA_PLAIN_PASSWD;
		cfg.cred_info[0].data = pj_str(SIP_PASSWD);

		status = pjsua_acc_add(&cfg, PJ_TRUE, &acc_id);
		if (status != PJ_SUCCESS) error_exit("Error adding account", status);
	}
	return status;
}